26) mal- (bad, badly) malfunction, maltreat , malnutrition , malpractice

　　27) tele- (at or over a long distance, by or for television) telegram, television, telegraph, telephone, telecommunications , telescope, telescreen, teleswitch, televise

　　28) semi-, hemi- (half) semicircle, semiconductor, semi-colony , semifinal, hemisphere

　　29) uni-, mono- (one) uniform, unify , union, unique, unit, unite, unity, universe, universal, university, monologue , monoplan

e, monopoly , monotone, monotonous , carbon monoxide

　　30) bi-, di- (two) biweekly, bicycle, bilateral , billion, bilingual, dialogue, carbon dioxide

　　31) tri- (three) tricycle , triangle, triangular, trilogy , triple, trigonometry

　　32) quadri-, quadru- (four) quadruple, quadrangle

　　33) penta- (five) pentagon, Pentagon, Pentium

　　34) hexa- (six) hexagon, hexangular

　　35) sept- (seven) September, Sept-Wolves

　　36) octa- (eight) octagon, octave, octopus, October

　　37) nona- (nine) nonagon, November

　　38) deci-, deca- (ten) decade, decimal

　　39) centi- (hundredth part) centigrade, centimeter, centipede , century

　　40) kilo- (thousand) kilo, kilometer, kilogram(me), kilowatt

　　41) mill- (thousand) millennium , millimeter

　　42) multi- (many) multipurpose, multinational, multiple, multiply, multitude

　　43) counter-, anti-, contra- (opposite, against) counteract, counterattack, counterclockwise, counterrevolutionary, antibiotic, antigravity, antimatter, antiwar, antinuclear, contradict , contradiction, contramissile, contranatural, contrary, contrast, anticonsumerism

　　44) mini- (smallest, short) minibus, miniskirt, minimum, minister, minimize, ministry, minor, minority,